// Copyright Louis Dionne 2013-2016 // Distributed under the Boost Software License, Version 1.0. // (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt) #include #include #include #include #include #include #include namespace hana = boost::hana; struct Person { BOOST_HANA_DEFINE_STRUCT(Person, (std::string, name), (unsigned short, age) ); }; int main() { Person john{"John", 30}; BOOST_HANA_RUNTIME_CHECK( hana::find(john, BOOST_HANA_STRING("name")) == hana::just("John") ); BOOST_HANA_CONSTANT_CHECK( hana::find(john, BOOST_HANA_STRING("foobar")) == hana::nothing ); }